Anti-dust mask having a circular pad part and a fixture for a filter part

ABSTRACT

The present invention relates to an anti-dust mask. The anti-dust mask ( 1 ) includes: a pad part ( 2 ) to which a sheet is closely attached to a front surface using thermal press forming, wherein a polyurethane film ( 202 ) adheres to the inner surface of the sheet and a spandex fabric adheres to the outer surface of the sheet; a fixture ( 3 ) for a filter part, to which the pad part and a disposable filter part adhere; a hemispherical filter part ( 4 ) defining a front space to filter contaminated air; and a one-way exhaust valve ( 8 ). Curves are formed on the pad part such that the pad part can be closely attached to the curvature of the face. The pad part ( 2 ) and internal/external wing parts ( 201, 302, 201′,  and  302′ ) are sewn or thermally adhered together so as to form an air cushion ( 7 ) in the pad part ( 2 ).

CROSS-REFERENCE TO RELATED APPLICATION

This application claims the benefit of Korean Patent Application No.10-2010-0115934, filed on Nov. 22, 2010 and Korean Patent Application No.10-2011-0060005, filed on Jun. 21, 2011 and Korean Patent Application No.10-2011-0074393, filed on Jul. 27, 2011 and Korean Patent Application No.10-2011-0086781, filed on Aug. 30, 2011 in the Korean Intellectual Property Office, the disclosure of which is incorporated herein by reference.

TECHNICAL FIELD

Generally, anti-dust masks used in an industrial site are categorized into a filter replaceable anti-dust mask and a disposable anti-dust mask.

A related art disposable anti-dust mask is configured to include a cover covering a nose and a mouth, is formed in a hemispherical shape with a non-woven fabric, is configured to include a sponge adhered to an inside of a filter disposed around a bridge of the nose in order for the mask to closely contact the bridge of the nose of a user, is configured to include a nose clip adhered to an outside of the filter, and is configured to include a head band fixed to both sides of a filter part.

BACKGROUND ART

In a related art disposable anti-dust mask, adhesive strength between a face of a user and the mask is low, and thus, a user may inhale a contaminated air which does not pass through a filter. Also, in a cold weather environment, condensation generated by a breath may occur on glasses or goggles, and thus, a user may experiences inconvenient. Moreover, a bonding portion, in which a filter and a non-woven fabric are adhered to each other by using ultrasonic waves or a heat plate bonding method in a process of manufacturing a filter part, contacts a face, and thus, a user may experiences displeasure. The present invention is relates to an anti-dust mask including a circular pad part 2, a fixture 3 for a filter part, a disposable filter part 4 and an exhaust valve 8. That is, the anti-dust mask includes a pad part 2, which is configured with a sheet manufactured by adhering a polyurethane film 202 disposed in an inside surface of the pad part 2 and a spandex fabric 203 disposed in an outside surface of the pad part 2 to each other to process the polyurethane film 202 and a spandex fabric 203 with thermal press forming and is configured to contact a face, a fixture 3 for a filter part, to which the pad part 2 and the disposable filter part 4 are adhered, the hemispherical disposal filter part 4, which defines a front space to filter contaminated air, and a one-way exhaust valve 8.

Also, in the present invention, curved surface with certain curvatures are formed in a part 206 of a bridge of a nose of the pad part 2, a part 207 between a bridge of a nose and a cheekbone, a cheekbone part 208, a cheek part 209 and a chin part of a pad part 210, which closely contact a curved surface of a face, such that each of the parts closely contacts a curved surface of a face.

In the present invention, because a pad part having certain curvatures is processed depending on a curved surface of a face around a nose and a mouth, adhesive strength between a face of a user and the pad of the mask increases, and thus, a user can inhale an air, which comes from an outside to be purified through a filter. Also, in a cold weather environment, condensation generated by a breath can be prevented from occurring on glasses or goggles, and thus, a user may experiences convenient. Moreover, because spandex fabric contacts skins, a wear sensation is improved, and thus, the mask wearing rate can increase.

DISCLOSURE OF INVENTION

In a related art disposable anti-dust mask, adhesive strength between a face of a user and a mask is low, and thus, a user may inhale a contaminated air which does not pass through a filter. Also, in a cold weather environment, condensation generated by a breath may occur on glasses or goggles, and thus, a user may experiences inconvenient. Moreover, a bonding portion, in which a filter and a non-woven fabric are adhered to each other by using ultrasonic waves or a heat plate bonding method in a process of manufacturing a filter part, contacts a face, and thus, a user may experiences displeasure.

The present invention is relates to an anti-dust mask including a circular pad part 2, a fixture 3 for a filter part, a disposable filter part 4 and an exhaust valve 8. That is, the anti-dust mask includes a pad part 2, which is configured with a sheet manufactured by adhering a polyurethane film 202 disposed in an inside surface of the pad part 2 and a spandex fabric 203 disposed in an outside surface of the pad part 2 to each other to process the polyurethane film 202 and a spandex fabric 203 with thermal press forming and is configured to contact a face, a fixture 3 for a filter part, to which the pad part 2 and the disposable filter part 4 are adhered, the hemispherical disposal filter part 4, which defines a front space to filter contaminated air, and a one-way exhaust valve 8.

Also, in the present invention, curved surface with certain curvatures are formed in a part 206 of a bridge of a nose of the pad part 2, a part 207 between a bridge of a nose and a cheekbone, a cheekbone part 208, a cheek part 209 and a chin part of a pad part 210, which closely contact a curved surface of a face, such that each of the parts closely contacts a curved surface of a face.

In the present invention, because a pad part having certain curvatures is processed depending on a curved surface of a face around a nose and a mouth, adhesive strength between a face of a user and the pad of the mask increases, and thus, a user can inhale an air, which comes from an outside to be purified through a filter. Also, in a cold weather environment, condensation generated by a breath can be prevented from occurring on glasses or goggles, and thus, a user may experiences convenient. Moreover, because spandex fabric contacts skins, a wear sensation is improved, and thus, the mask wearing rate can increase.

ADVANTAGEOUS EFFECTS

According to the present invention, because a pad part having certain curvatures is processed depending on a curved surface of a face around a nose and a mouth, sponges and nose clips does not need to be attached to a part of a bridge of a nose of an anti-dust mask according to the present invention in a process of manufacturing the anti-dust mask, adhesive strength between a face of a user and the pad of the mask increases, and thus, a user can inhale an air, which comes from an outside to be purified through a filter. Also, in a cold weather environment, condensation generated by a breath can be prevented from occurring on glasses or goggles, and thus, a user may experiences convenient. Moreover, because spandex fabric contacts skins, a wear sensation is improved, and thus, the mask wearing rate can increase.

BRIEF DESCRIPTION OF DRAWINGS

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the principle of the invention. In the drawings:

FIG. 1 is a perspective view illustrating a related art disposal anti-dust mask;

FIG. 2 is a perspective view illustrating an anti-dust mask 1 according to an embodiment of the present invention;

FIG. 3 is a sectional view illustrating a using state of the anti-dust mask 1 according to an embodiment of the present invention;

FIG. 4 is a perspective view illustrating a rear surface of a pad part 2 applied to the present invention;

FIG. 5 is a sectional view of a pad part 2 taken along line A-A′ of FIG. 4

FIG. 6 is a perspective view illustrating curved surfaces with certain curvatures formed in a pad part 2 applied to the present invention;

FIG. 7 is a perspective view of a fixture 3 for a filter part applied to the present invention;

FIG. 8 is a sectional view illustrating a state where a pad part 2 and a fixture 3 for a filter part are adhered to each other;

FIG. 9 is a sectional view illustrating a pad part 2 and a disposal filter part 4 adhered to each other;

FIG. 10 is a development figure of elements of the anti-dust mask according to an embodiment of the present invention;

FIG. 11 is a perspective view illustrating the anti-dust mask 1-1 according to an embodiment of the present invention;

FIG. 12 is a development figure of elements of the anti-dust mask 1-1 according to a embodiment of the present invention; and

FIG. 13 is a development figure of elements of an exhaust valve(8) for the anti-dust mask according to an embodiment of the present invention.

DESCRIPTIONS OF REFERENCE NUMBERS

-   (1) anti-dust mask (2) pad part (3) fixture for a filter part -   (4) disposable filter part (4-1) disposal filter part of     insert-injection molding a filter -   (6) Velcro (7) air cushion (8) exhaust valve -   (101) protrusion of a disposal filter part 4-1 (201) pad external     wing part (201′) pad internal wing part -   (202) polyurethane film (203) spandex fabric (204) pad width (205)     pad height -   (206) part of a bridge of a nose (206-1) radius curvature of a part     of a bridge of a nose -   (207) part between a bridge of a nose and a cheekbone (207-1) radius     curvature of a part between a bridge of a nose and a cheekbone -   (208) cheekbone part (208-1) radius curvature of a cheekbone part -   (209) cheek part (209-1) radius curvature of a cheek part -   (210) chin part (210-1) radius curvature of a chin part -   (301) rib (302) external wing part of a fixture for a filter part     (302′) internal wing part of a fixture for a filter part -   (303) fixture hole for a filter part -   (401) filter wing part (503)(503′) head band hook hole -   (801) upper portion of an exhaust valve (802) valve (803) lower     portion of an exhaust valve (803-1) exhaust tube fixing rib

(804) exhaust tube

BEST MODES FOR CARRYING OUT THE INVENTION

Reference will now be made in detail to the exemplary embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view illustrating a related art disposal anti-dust mask.

A related art disposable anti-dust mask is configured to include a cover covering a nose and a mouth, is formed in a hemispherical shape with a non-woven fabric, is configured to include a sponge adhered to an inside of a filter disposed around a bridge of the nose in order for the mask to closely contact the bridge of the nose of a user, is configured to include a nose clip adhered to an outside of the filter, and is configured to include a head band fixed to both sides of a filter part.

FIG. 2 is a perspective view illustrating an anti-dust mask 1 according to an embodiment of the present invention.

FIG. 3 is a sectional view illustrating a using state of the anti-dust mask 1 according to an embodiment of the present invention.

The present invention is relates to an anti-dust mask 1 including a circular pad part 2, a fixture 3 for a filter part, a disposable filter part 4 and an exhaust valve 8. That is, the anti-dust mask includes a pad part 2, which is configured with a sheet manufactured by adhering a polyurethane film 202 disposed in an inside surface of the pad part 2 and a spandex fabric 203 disposed in an outside surface of the pad part 2 to each other to process the polyurethane film 202 and a spandex fabric 203 with thermal press forming depending on a curved surface of a face and is configured to contact a face, a fixture 3 for a filter part, to which the pad part 2 and the disposable filter part 4 are adhered, the hemispherical disposal filter part 4, which defines a front space to filter contaminated air, and a one-way exhaust valve 8. A Velcro 6 or a double-sided tape may be fixed to an upper portion of the fixture 3 for a filter part so as to adhere the disposable filter part 4 and the fixture 3 for a filter part to each other.

FIG. 4 is a perspective view illustrating a rear surface of a pad part 2 applied to the present invention.

In the pad part 2, a sheet is manufactured by adhering a polyurethane film 202 disposed in an inside surface adhered to the fixture 3 for a filter part and a spandex fabric 203 disposed in an outside surface contacting a surface of a face to each other to process the polyurethane film 202 and a spandex fabric 203 into a circular shape with thermal press forming in accordance with a curved surface of a face around a nose and a mouth. Also, a pad internal wing part 201′ and a pad external wing part 201 are mounted on both end portions of an inside and an outside of the circular-shaped pad part so as to be adhered to the fixture 3 for a filter part. Moreover, head band hook holes 503 are mounted on both sides of the pad external wing part 201, and the thickness of the polyurethane film 202 adhered to the spandex fabric is from 0.3 mm to 1 mm.

FIG. 5 is a sectional view of a pad part 2 taken along line A-A′ of FIG. 4.

In a pad width 204 of the pad part 2, a pad width of the part 206 of a bridge of a nose and the part 207 between a bridge of a nose and a cheekbone is from 5 mm to 12 mm, and a pad width of the cheekbone part 208, the cheek part and the chin part 210 is from 8 mm to 25 mm.

In a pad height 205 of the pad part 2, a pad height of the part 206 of a bridge of a nose and the chin part 210 is from 2 mm to 10 mm, and a pad height of the part 207 between a bridge of a nose and a cheekbone, the cheekbone part 208 and the cheek part 209 is from 5 mm to 25 mm. Also a pad height of the pad internal wing part 201′ is higher by 2 mm to 10 mm than that of the pad external wing part 201 such that the part of a bridge of a nose does not interfere the pad internal wing part 201′.

FIG. 6 is a perspective view illustrating certain curved surfaces with certain curvatures formed in a pad part 2 applied to the present invention.

Curved surfaces with certain curvatures are formed in the part 206 of a bridge of a nose, the part 207 between a bridge of a nose and a cheekbone, the cheekbone part 208, the cheek part 209 and the chin part 210 of the pad part 2 such that the each of the parts contact a curved surface of a face corresponding to the each of the parts. Also, a radius curvature 206-1 of the part of a bridge of a nose is from 7 mm to 20 mm, a radius curvature 207-1 of the part between a bridge of a nose and a cheekbone is from 7 mm to 20 mm, a radius curvature 208-1 of the cheekbone part is from 50 mm to 80 mm, a radius curvature 209-1 of the cheek part is 25 mm to 40 mm, and a radius curvature 210-1 of the chin part is from 30 mm to 60 mm.

FIG. 7 is a perspective view of a fixture 3 for a filter part applied to the present invention.

A rib 301 is formed in an upper portion of the fixture 3 for a filter part manufactured of one of polyurethane, silicon, polypropylene and polyethylene and a disposal filter wing part 401 is adhered to the upper portion. Also, an external wing part 302 of a fixture for a filter part and an internal wing part 302′ of a fixture for a filter part respectively adhered to the pad external wing part 201 and the pad internal wing part 201′ are formed in an inside and an outside of the fixture 3 for a filter part. Moreover, head band hook holes 503′ are formed in both sides of the external wing part 302 of a fixture for a filter part.

FIG. 8 is a sectional view illustrating a state where a pad part 2 and a fixture 3 for a filter part are adhered to each other.

An air cushion 7 is formed in the pad part 2 by adhering the pad external/internal wing parts 201 and 201′ of the pad part and the external/internal wing parts 302 and 302′ of a fixture for a filter part to each other with sewing or a heat sealing, and thus, adhesive strength and a wear sensation between a face of a user and the anti-dust mask increases. Also, a space of the pad part 2, in which the air cushion 7 is formed, can be filled with a buffer material such as a PVC sponge, an Urethane Foam sponge or the like.

FIG. 9 is a sectional view illustrating a pad part 2 and a disposal filter part 4 adhered to each other.

The present invention is characterized in that the pad external wing part 201 of the pad part 2 and the filter wing part 401 of the disposal filter part 4 are adhered to each other by using sewing or a heat sealing, without using the fixture 3 for a filter part.

FIG. 10 is a development figure of elements of the anti-dust mask according to an embodiment of the present invention.

FIG. 11 is a perspective view illustrating the anti-dust mask 1-1 according to an embodiment of the present invention.

FIG. 12 is a development figure of elements of the anti-dust mask 1-1 according to a embodiment of the present invention.

A plurality of holes 303 is formed in the fixture 3 for a filter part of the anti-dust mask 1-1 according to another embodiment of the present invention such that a disposal filter part 4-1 of insert-injection molding a filter can be fixed. Also, protrusions 101 of the disposal filter part 4-1 inserted into the holes 303 of the fixture 3 for a filter part are formed in the disposal filter part 4-1.

FIG. 13 is a development figure of elements of an exhaust valve (8) for the anti-dust mask according to an embodiment of the present invention.

The present invention is characterized that an exhaust tube fixing rib 803-1 is disposed in a lower portion 803 of an exhaust valve such that an exhaust tube, which can easily exhaust breath through the exhaust valve, is mounted.

MODES FOR CARRYING OUT THE INVENTION

In a related art disposable anti-dust mask, adhesive strength between a face of a user and the mask is low, and thus, a user may inhale a contaminated air which does not pass through a filter. Also, in a cold weather environment, condensation generated by a breath may occur on glasses or goggles, and thus, a user may experiences inconvenient. Moreover, a bonding portion, in which a filter and a non-woven fabric are adhered to each other by using ultrasonic waves or a heat plate bonding method in a process of manufacturing a filter part, contacts a face, and thus, a user may experiences displeasure. The present invention is relates to an anti-dust mask including a circular pad part 2, a fixture 3 for a filter part, a disposable filter part 4 and an exhaust valve 8. That is, the anti-dust mask includes a pad part 2, which is configured with a sheet manufactured by adhering a polyurethane film 202 disposed in an inside surface of the pad part 2 and a spandex fabric 203 disposed in an outside surface of the pad part 2 to each other to process the polyurethane film 202 and a spandex fabric 203 with thermal press forming and is configured to contact a face, a fixture 3 for a filter part, to which the pad part 2 and the disposable filter part 4 are adhered, the hemispherical disposal filter part 4, which defines a front space to filter contaminated air, and a one-way exhaust valve 8.

Also, in the present invention, curved surface with certain curvatures are formed in a part 206 of a bridge of a nose, a part 207 between a bridge of a nose and a cheekbone, a cheekbone part 208, a cheek part 209 and a chin part of a pad part 210, which closely contact a curved surface of a face, such that each of the parts closely contacts a curved surface of a face.

In the present invention, because a pad part having certain curvatures is processed depending on a curved surface of a face around a nose and a mouth, adhesive strength between a face of a user and the pad of the mask increases, and thus, a user can inhale an air, which comes from an outside to be purified through a filter. Also, in a cold weather environment, condensation generated by a breath can be prevented from occurring on glasses or goggles, and thus, a user may experiences convenient. Moreover, because spandex fabric contacts skins, a wear sensation is improved, and thus, the mask wearing rate can increase.

INDUSTRIAL APPLICABILITY

According to the present invention, because a pad part having certain curvatures is processed depending on a curved surface of a face around a nose and a mouth, sponges and nose clips does not need to be attached to a part of a bridge of a nose of an anti-dust mask according to the present invention in a process of manufacturing the anti-dust mask, adhesive strength between a face of a user and the pad of the mask increases, and thus, a user can inhale an air, which comes from an outside to be purified through a filter. Also, in a cold weather environment, condensation generated by a breath can be prevented from occurring on glasses or goggles, and thus, a user may experiences convenient. Moreover, because spandex fabric contacts skins, a wear sensation is improved, and thus, the mask wearing rate can increase. 

1. An anti-dust mask comprising: a pad part (2); a fixture (3) for a filter part; a disposable filter part(4) or (4-1); and an exhaust valve (8), wherein, in the pad part (2), a sheet is manufactured by adhering a polyurethane film (202) and a spandex fabric (203) to each other to process the polyurethane film (202) and a spandex fabric (203) into a circular shape with thermal press forming, and a pad internal wing part (201′) and a pad external wing part (201) are mounted on both end portions of an inside and an outside of the pad part, curved surfaces with certain curvatures are formed in the part (206) of a bridge of a nose, the part (207) between a bridge of a nose and a cheekbone, the cheekbone part (208), the cheek part (209) and the chin part (210) of the pad part (2), and an external wing part (302) of a fixture for a filter part and an internal wing part (302′) of a fixture for a filter part are formed in the fixture (3) for a filter part manufactured of one of polyurethane, silicon, polypropylene and polyethylene, and a rib (301) is formed in an upper portion of the fixture (3)for a filter part.
 2. The anti-dust mask of claim 1, wherein, an air cushion (7) is formed in the pad part (2) by adhering the pad external/internal wing parts (201) and (201′) of the pad part (2) and the external/internal wing parts (302) and (302′) of a fixture for a filter part to each other with sewing or a heat sealing.
 3. The anti-dust mask of claim 1, wherein, a pad external wing part (201) of the pad part (2) and a filter wing part (401) of the disposal filter part (4) are adhered to each other by using sewing or a heat sealing.
 4. The anti-dust mask of claim 1, wherein, in a pad width (204) of the pad part (2), a pad width of the part (206) of a bridge of a nose and the part (207) between a bridge of a nose and a cheekbone is from 5 mm to 12 mm, and a pad width of the cheekbone part (208), the cheek part (209) and the chin part (210) is from 8 mm to 25 mm.
 5. The anti-dust mask of claim 1, wherein, in a pad height (205) of the pad part (2), a pad height of the part (206) of a bridge of a nose and the chin part (210) is from 2 mm to 10 mm, and a pad height of the part (207) between a bridge of a nose and a cheekbone, the cheekbone part (208) and the cheek part (209) is from 5 mm to 25 mm, and a pad height of a pad internal wing part (201′) is higher by 2 mm to 10 mm than that of a pad external wing part (201).
 6. The anti-dust mask of claim 1, wherein, a radius curvature (206-1) of the part of a bridge of a nose of the pad part (2) is from 7 mm to 20 mm.
 7. The anti-dust mask of claim 1, wherein, a radius curvature (207-1) of the part between a bridge of a nose and a cheekbone of the pad part (2) is from 7 mm to 20 mm.
 8. The anti-dust mask of claim 1, wherein, a radius curvature (208-1) of the cheekbone part of the pad part (2) is from 50 mm to 80 mm.
 9. The anti-dust mask of claim 1, wherein, a radius curvature (209-1) of the cheek part of the pad part (2) is 25 mm to 40 mm.
 10. The anti-dust mask of claim 1, wherein, a radius curvature (210-1) of the chin part of the pad part (2) is from 30 mm to 60 mm.
 11. The anti-dust mask of claim 1, wherein, a thickness of the polyurethane film is from 0.3 mm to 1 mm.
 12. The anti-dust mask of claim 1, wherein, a plurality of holes (303) is formed in the fixture (3) for a filter part of the anti-dust mask (1-1), and protrusions (101) are formed in a disposal filter part (4-1).
 13. The anti-dust mask of claim 1, wherein, an exhaust tube fixing rib (803-1) is disposed in a lower portion (803) of an exhaust valve. 